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sample_code:file_picker [2014/11/26 12:19]
stevegarman link to folder picker 		sample_code:file_picker [2015/01/25 13:26]
octazid [The code] Display as colored code
Line 8: Line 8:
 See also [[sample_code:folder_picker|Sample Folder Picker]] See also [[sample_code:folder_picker|Sample Folder Picker]]
 ===== The code ===== ===== The code =====
-<code js filepicker.js>+<code javascript filepicker.js> 
 +//Called when application is started 
 +function  OnStart() 
 +  {     //Create a layout with objects vertically centered. 
 +         
 +    lay  =  app.CreateLayout( "linear",  "Vertical,FillXY" );    
  
-//Called when application is started +         //Create a text label and add it to layout. 
-function OnStart(){ +         
-    //Create a layout with objects vertically centered. +    btn  =  app.CreateButton( "FilePicker demo" );     
-    lay = app.CreateLayout( "linear", "Vertical,FillXY" );    +    lay.AddChild( btn );     
 +    btn.SetOnTouch(btn_OnTouch);     
 +    pick  =  new  FilePicker(mycallback);     // don't show hidden files 
 +         
 +    pick.SetHideFiles(true);     //Add layout to app.     
 +         
 +    app.AddLayout( lay ); 
 +  } //function Onstart()
  
-    //Create a text label and add it to layout. +function  btn_OnTouch() 
-    btn = app.CreateButton( "FilePicker demo" ); +  {     
-    lay.AddChild( btn ); +    pick.SetFolder("/sdcard");     
-    btn.SetOnTouch(btn_OnTouch); +    pick.Show();     
-     +  } //function btn_OnTouch()
-    //Add layout to app.     +
-    app.AddLayout( lay ); +
-}//function Onstart()+
  
 +function  mycallback(fullpath)
 +  {  
 +    app.Alert("user chose "  +  fullpath)
 +  } //function mycallback()
  
-function btn_OnTouch(){ +function  FilePicker(Callback, basePath) 
-    pick = new FilePicker(mycallback); +  {   
-    pick.SetFolder("/sdcard"); +    var  self  =  this;   
-    pick.Show();     +    this.basePath  =  basePath  ||  "/sdcard";   
-}//function btn_OnTouch()+    this.callback  =  Callback  ||   function() {};   
 +    this.FolderPath  =  this.basePath;   
 +    this.hideHiddenFiles  =  false;   
 +    this.dlg  =  app.CreateDialog(this.basePath);   
 +    this.lay  =  app.CreateLayout( "linear",  "horizontal,fillxy,left" );   
 +    this.lstFolds  =  app.CreateList("blank" ,  0.35,  0.7 );   
 +    this.lstFolds.parent  =  self;   
 +    this.lstFolds.SetOnTouch(FilePicker_NewFolder);     
 +    this.lay.AddChild(this.lstFolds);   
 +    this.lstFiles  =  app.CreateList("blank" ,  0.35,  0.7 );   
 +    this.lstFiles.parent  =  self;   
 +    this.lstFiles.SetOnTouch(FilePicker_NewFile);    
 +    this.lay.AddChild(this.lstFiles);   
 +    this.dlg.AddLayout(this.lay);
  
-function mycallback(fullpath){ +       
-    app.Alert("user chose " + fullpath) +    this.Show  =   function() 
-}//function mycallback()+    {     
 +      self.dlg.Show();   
 +    }   
 +    this.SetHideFiles = function(val) 
 +    {     
 +      if (val  ==  undefined)  val  =  true;     
 +      self.hideHiddenFiles  =  val;   
 +    }   
 +    this.Hide  =   function() 
 +    {     
 +      self.dlg.Hide();   
 +    }   
 +    this.SetFilter  =   function(filter) 
 +    {       
 +      self.fileFilter  =  filter;   
 +    }   
 +    this.GetFolder  =   function() 
 +    {     
 +      return  self.FolderPath;   
 +    }   
 +    this.SetFolder  =   function(folderPath) 
 +    {     
 +      self.FolderPath  =  folderPath;     
 +      self.dlg.SetTitle(folderPath);     
 +      app.ShowProgress( "Loading..." );     
 +      var  lst  =  app.ListFolder(folderPath);     
 +      lst.sort(function(x, y) 
 +      { 
 +        return  (x.toLowerCase()  >  y.toLowerCase()) ? 1 : -1 
 +      });     //var dirlist=[]; 
 +           //var fillist = []; 
 +           
 +      var  ths  =  lst.shift();     
 +      self.lstFolds.SetList("");     
 +      if ( self.FolderPath  !=  self.basePath )       self.lstFolds.AddItem("..", null, "folder");     
 +      self.lstFiles.SetList("");     
 +      while  (undefined  !=  ths)  
 +      {       
 +        if  ((! self.hideHiddenFiles)  ||  (ths.indexOf(".")  !=  0)) 
 +        {         
 +          var  pth  =  folderPath  +  "/"  +  ths;         
 +          if  (app.IsFolder(pth))            self.lstFolds.AddItem(ths, null, "folder")         
 +          else            self.lstFiles.AddItem(ths)       
 +        }       
 +        ths  =  lst.shift();     
 +      }     
 +      app.HideProgress();   
 +    }   
 +  } //function FilePicker()
  
-function FilePicker(Callback,basePath){ +function  FilePicker_NewFolder(fil) 
-  var self = this; +  {   
-  this.basePath = basePath || "/sdcard"; +    var  par  =  this.parent;   
-  this.callback = Callback || function(){}; +    var  pth  =  par.GetFolder();   
-  this.FolderPath = this.basePath; +    if  (fil  !=  "..")  
-  this.dlg = app.CreateDialog(this.basePath); +    {       
-  this.lay = app.CreateLayout( "linear", "horizontal,fillxy,left" ); +      pth  +=  "/"  +  fil   
-  this.lstFolds = app.CreateList("blank" , 0.35, 0.7 ); +    }   
-  this.lstFolds.parent = self; +    else 
-  this.lstFolds.SetOnTouch(FilePicker_NewFolder);   +    {      
-  this.lay.AddChild(this.lstFolds); +      if ( pth  ==  par.basePath  ||  pth  ==  "/" ) 
-  this.lstFiles = app.CreateList("blank" , 0.35, 0.7 ); +      {        
-  this.lstFiles.parent = self; +        par.Hide()        return;      
-  this.lstFiles.SetOnTouch(FilePicker_NewFile);  +      }      
-  this.lay.AddChild(this.lstFiles); +      var  tst  =  pth.split("/");      
-  this.dlg.AddLayout(this.lay);+      tmp  =  tst.pop();      
 +      pth  =   (tst.join("/"));   
 +    }     
 +    par.SetFolder(pth); 
 +  } //function FilePicker_NewFolder()
  
-  this.Show = function(){ +function  FilePicker_NewFile(fil) 
-    self.dlg.Show(); +  {   
-  } +    var  par  =  this.parent;   
-  this.Hide = function(){ +    var  pth  =  par.GetFolder();   
-    self.dlg.Hide(); +    par.Hide();   
-  } +    par.callback(pth  +=  "/"  +  fil); 
-  this.SetFilter = function(filter){ +  } //function FilePicker_NewFile()
-      self.fileFilter = filter; +
-  } +
-  this.GetFolder = function(){ +
-    return self.FolderPath; +
-  } +
-  this.SetFolder = function(folderPath){ +
-    self.FolderPath = folderPath; +
-    self.dlg.SetTitle(folderPath); +
-    app.ShowProgress( "Loading..." ); +
-    var lst = app.ListFolder(folderPath); +
-    lst.sort(function(x,y){return (x.toLowerCase() > y.toLowerCase())?1:-1}); +
-    var dirlist=[]; +
-    if( self.FolderPath != self.basePath ) dirlist = [".."]; +
-    var fillist = []; +
-    var ths = lst.shift(); +
-    while (undefined != ths) { +
-      var pth = folderPath + "/" + ths; +
-      if (app.IsFolder(pth)) +
-         dirlist.push(ths); +
-      else +
-         fillist.push(ths); +
-      ths = lst.shift(); +
-    } +
-    self.lstFolds.SetList(dirlist); +
-    self.lstFiles.SetList(fillist); +
-    app.HideProgress(); +
-  }   +
-}//function FilePicker() +
- +
-function FilePicker_NewFolder(fil){ +
-  var par = this.parent; +
-  var pth = par.GetFolder(); +
-  if (fil != "..") { +
-      pth += "/" + fil +
-  } +
-  else{ +
-     if( pth == par.basePath || pth == "/" ){ +
-       par.Hide() +
-       return; +
-     } +
-     var tst = pth.split("/"); +
-     tmp = tst.pop(); +
-     pth = (tst.join("/")); +
-  } +
-   +
-  this.parent.SetFolder(pth); +
-}//function FilePicker_NewFolder() +
- +
-function FilePicker_NewFile(fil){ +
-  var par = this.parent; +
-  var pth = par.GetFolder(); +
-  par.Hide(); +
-  par.callback(pth += "/" + fil); +
-}//function FilePicker_NewFile()+
  
 </code> </code>
sample_code/file_picker.txt · Last modified: 2015/03/27 04:03 (external edit)

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